545999906191843 has 2 divisors, whose sum is σ = 545999906191844. Its totient is φ = 545999906191842.

The previous prime is 545999906191813. The next prime is 545999906191919. The reversal of 545999906191843 is 348191609999545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545999906191843 - 2²¹ = 545999904094691 is a prime.

It is not a weakly prime, because it can be changed into another prime (545999906191813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272999953095921 + 272999953095922.

It is an arithmetic number, because the mean of its divisors is an integer number (272999953095922).

Almost surely, 2^{545999906191843} is an apocalyptic number.

545999906191843 is a deficient number, since it is larger than the sum of its proper divisors (1).

545999906191843 is an equidigital number, since it uses as much as digits as its factorization.

545999906191843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3401222400, while the sum is 82.

The spelling of 545999906191843 in words is "five hundred forty-five trillion, nine hundred ninety-nine billion, nine hundred six million, one hundred ninety-one thousand, eight hundred forty-three".